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e1831321de
Add new emmc groups in the pinctrl driver for the MediaTek MT7981 SoC: * emmc reset, with pin 15. * emmc 4-bit bus-width, with pins 16 to 19, and 24 to 25. * emmc 8-bit bus-width, with pins 16 to 25. The existing emmc_45 group is kept for legacy reasons, even if this is the union of emmc_reset and emmc_8 groups. Signed-off-by: Jean Thomas <jean.thomas@wifirst.fr>
83 lines
3.3 KiB
Diff
83 lines
3.3 KiB
Diff
From patchwork Wed Jan 17 14:55:47 2024
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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X-Patchwork-Submitter: Jean Thomas <jean.thomas@wifirst.fr>
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X-Patchwork-Id: 13521855
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Return-Path:
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<linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org>
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From: Jean Thomas <jean.thomas@wifirst.fr>
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To: sean.wang@kernel.org,
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linus.walleij@linaro.org,
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matthias.bgg@gmail.com,
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angelogioacchino.delregno@collabora.com,
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linux-mediatek@lists.infradead.org,
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linux-gpio@vger.kernel.org,
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linux-kernel@vger.kernel.org,
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linux-arm-kernel@lists.infradead.org
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Cc: Jean Thomas <jean.thomas@wifirst.fr>,
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Daniel Golle <daniel@makrotopia.org>
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Subject: [PATCH v2 2/2] pinctrl: mediatek: mt7981: add additional emmc groups
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Date: Wed, 17 Jan 2024 15:55:47 +0100
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Message-Id: <20240117145547.3354242-1-jean.thomas@wifirst.fr>
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List-Id: <linux-mediatek.lists.infradead.org>
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Add new emmc groups in the pinctrl driver for the
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MediaTek MT7981 SoC:
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* emmc reset, with pin 15.
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* emmc 4-bit bus-width, with pins 16 to 19, and 24 to 25.
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* emmc 8-bit bus-width, with pins 16 to 25.
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The existing emmc_45 group is kept for legacy reasons, even
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if this is the union of emmc_reset and emmc_8 groups.
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Signed-off-by: Jean Thomas <jean.thomas@wifirst.fr>
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Reviewed-by: Daniel Golle <daniel@makrotopia.org>
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---
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drivers/pinctrl/mediatek/pinctrl-mt7981.c | 17 ++++++++++++++++-
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1 file changed, 16 insertions(+), 1 deletion(-)
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--
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2.39.2
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--- a/drivers/pinctrl/mediatek/pinctrl-mt7981.c
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+++ b/drivers/pinctrl/mediatek/pinctrl-mt7981.c
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@@ -700,6 +700,15 @@ static int mt7981_drv_vbus_pins[] = { 14
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static int mt7981_drv_vbus_funcs[] = { 1, };
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/* EMMC */
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+static int mt7981_emmc_reset_pins[] = { 15, };
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+static int mt7981_emmc_reset_funcs[] = { 2, };
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+
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+static int mt7981_emmc_4_pins[] = { 16, 17, 18, 19, 24, 25, };
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+static int mt7981_emmc_4_funcs[] = { 2, 2, 2, 2, 2, 2, };
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+
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+static int mt7981_emmc_8_pins[] = { 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, };
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+static int mt7981_emmc_8_funcs[] = { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, };
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+
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static int mt7981_emmc_45_pins[] = { 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, };
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static int mt7981_emmc_45_funcs[] = { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, };
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@@ -854,6 +863,12 @@ static const struct group_desc mt7981_gr
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PINCTRL_PIN_GROUP("udi", mt7981_udi),
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/* @GPIO(14) DRV_VBUS(1) */
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PINCTRL_PIN_GROUP("drv_vbus", mt7981_drv_vbus),
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+ /* @GPIO(15): EMMC_RSTB(2) */
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+ PINCTRL_PIN_GROUP("emmc_reset", mt7981_emmc_reset),
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+ /* @GPIO(16,17,18,19,24,25): EMMC_DATx, EMMC_CLK, EMMC_CMD */
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+ PINCTRL_PIN_GROUP("emmc_4", mt7981_emmc_4),
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+ /* @GPIO(16,17,18,19,20,21,22,23,24,25): EMMC_DATx, EMMC_CLK, EMMC_CMD */
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+ PINCTRL_PIN_GROUP("emmc_8", mt7981_emmc_8),
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/* @GPIO(15,25): EMMC(2) */
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PINCTRL_PIN_GROUP("emmc_45", mt7981_emmc_45),
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/* @GPIO(16,21): SNFI(3) */
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@@ -957,7 +972,7 @@ static const char *mt7981_i2c_groups[] =
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static const char *mt7981_pcm_groups[] = { "pcm", };
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static const char *mt7981_udi_groups[] = { "udi", };
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static const char *mt7981_usb_groups[] = { "drv_vbus", };
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-static const char *mt7981_flash_groups[] = { "emmc_45", "snfi", };
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+static const char *mt7981_flash_groups[] = { "emmc_reset", "emmc_4", "emmc_8", "emmc_45", "snfi", };
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static const char *mt7981_ethernet_groups[] = { "smi_mdc_mdio", "gbe_ext_mdc_mdio",
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"wf0_mode1", "wf0_mode3", "mt7531_int", };
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static const char *mt7981_ant_groups[] = { "ant_sel", };
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